Question

In: Statistics and Probability

Please calculate and interpret . The observed condition means are:

ANOVA table:

Source

df

SS

MS

F

Between

4

199.2

49.80

5.062*

Within

75

737.8

9.84

 

Total

79

937.0

   
  1.  Please calculate and interpret .
  1.  The observed condition means are:

4.05

.988

1.34

1.84

4.96

 

Solutions

Expert Solution

a) From the given data

ANOVA Table alpha = 0.05
Source df Sum of square mean Square F-ratio F-critical P-value
Between Groups 4 199.2 49.8 5.062 2.4937 0.0011
Withing Groups 75 737.8 9.8
Total 79 937.0

Since F-ratio = 5.062 > F-Critical vaue so we reject H0

also P-value < alpha 0.05 so we reject H0

Thus we conclude that there is at least two means are different

b) Tukey HSD Test:


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